Disc Brakes  Manufacturers, Traders, Suppliers

Innovative achievements have made RINGSPANN a leading manufacturer for

• Power Transmission Components
• Clamping Fixtures
• Remote Control Systems

Many well-known companies from the machine building, the material handling, the energy as well as the aerospace industries successfully work with RINGSPANN. With more than 75 years’ experience in development, design and manufacturing, we are experts in intelligent technical solutions.
From our headquarters in Bad Homburg, Germany, more than 500 employees in 21 international companies provide personal service onsite and ensure speedy and reliable delivery. Manufacturing plants in the most important regions of the world make flexible and customer-orientated production possible.

For more than forty years we have been manufacturing protective systems for the world's machinery building sectors. Our first products were bellows and coil springs that we produced in Seligenstadt, which is still our head office today. Through consistent further development we expanded our production to several sites in Germany and abroad for most efficient service to our customers worldwide.
Protection and window systems
Through a consistent development of our first range of products - bellows for the protection of linear guides - we engineered the SAMURAI range of product, lamella protected bellows and aprons and also complete backwall systems.
In addition to spiral springs other products such as telescopic steel covers, roller systems, machine safety windows.
VISIPORT® Spin windows and LED lighting systems complete our range of offers.
Clamping and Braking Systems
Within the last ten years we also enlarged our second sphere of competence which new includes pneumatic and electromagnetic clamping and braking systems and also manual and mechanical clamping systems.
Research and Development
This product diversity is possible only with extensive research and development as well as intensive detailed work. In close collaboration with external institutes developments and structures are tested for their practicability and extreme situations simulated so that our products can also fulfil the high requirements in the field.
Quality
Our own product and process quality is verified by regular certification procedures: all of our European production locations have been awarded DIN ISO 9001:2015 certifications. Kaizen teams at all works contribute towards continuous improvement.
Innovation never ends - in this spirit we will keep on working on innovations and improvements for our customers.

SQM was founded in Shanghai in 2014 by Johnny Zhao. What began as a two-person startup has grown into a team of over 50 professionals, collaborating with +45 trusted suppliers across China. In 2024, SQM expanded into Europe with the establishment of SQM GmbH in Germany, strengthening our global presence.
We specialize in high-quality casting and forging components for industries such as agriculture, construction, truck & trailer, automotive, pump & valve, rail transportation, and energy. Our engineering and QC teams ensure technical excellence and strict quality compliance.
SQM is ISO 9001, TS16949, ISO 45001, and ISO 14001 certified, guaranteeing the highest quality, safety, and environmental standards. Trusted by over 130 manufacturers across Europe and North America, our turnover has grown from €17 million in 2023 to €21 million in 2024, reflecting our commitment to precision, reliability, and continuous growth.
Let’s build a long-term partnership—contact us to discuss your project needs today!